Vector Control Simulation of Surface- mounted Permanent Magnet Machine
Keywords Magnet synchronous motor, vector control, mathematical modeling, simulation
目录
Introduction .. 1
1.1 Background research . 1
1.2 Research status .. 2
1.3 Classification of permanent magnet synchronous motor drive system 3
1.4 Purpose and significance . 5
Permanent magnet synchronous motor structure and Mathematical Model .. 7
2.1 Permanent Magnet Synchronous Motor Overview . 7
2.2.1 Structure of permanent magnet synchronous motor . 7
2.1.2 Features of PMSM . 7
2.1.3 Categories of PMSM 8
2.2 Coordinate transformation . 9
2.2.1 Three-phase static coordinate system (A-B-C shaft) 9
2.2.2 Two-phase stationary reference frame (α-β Shaft) .. 10
2.2.3 Two-phase rotating coordinate system (d-q Shaft) . 10
2.2.4 Three-phase static coordinate system transformation line between the two-phase
stationary coordinate(3s/2s) . 11
2.2.5 Converting two-phase stationary coordinate system and the two-phase rotating
coordinate systems (2s/2r) . 11
2.3 PMSM mathematical model .. 12
2.3.1 Permanent magnet synchronous motor under the A-B-C coordinates mathematical
model 12
2.3.2 PMSM α-β coordinates mathematical model .. 13
2.3.3 Permanent magnet synchronous motor under the d-q coordinate system mathematical
model 15
2.4 Chapter summary .. 16
Vector control of PMSM . 17
3.1 Space Vector Control System. 17
3.1.1 Vector control principle 17
3.1.2 Mathematical model of permanent magnet synchronous motor vector control 19
3.2 Permanent magnet synchronous motor vector control system closed-loop control method of
choice. .. 20
3.3 SVPWM control principle .. 21
3.4 Chapter summary .. 22
System Simulation 23
4.1 Establishment of permanent magnet synchronous motor vector control simulation module24
4.1.1 Coordinate transform module 24
4.1.2 SVPWM module 25
4.1.3 Inverter model.. 29
4.2 Simulation Research 29
4.3 Chapter summary .. 32
Summary and Outlook . 33
5.1 Work Summary .. 33
5.2 Research Prospects .. 33
Acknowledgements 35
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